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 <h1>从 PHP 5.4.x 迁移到 PHP 5.5.x</h1>
<h2>Table of Contents</h2><ul class="chunklist chunklist_appendix"><li><a href="migration55.changes.html">PHP 5.5.x 中的变更</a></li><li><a href="migration55.incompatible.html">不向后兼容的变更</a></li><li><a href="migration55.new-features.html">新的特性</a></li><li><a href="migration55.deprecated.html">PHP 5.5.x 中废弃的特性</a></li><li><a href="migration55.changed-functions.html">变更的函数</a></li><li><a href="migration55.new-functions.html">新的函数</a></li><li><a href="migration55.classes.html">新的类和接口</a></li><li><a href="migration55.new-methods.html">新的方法</a></li><li><a href="migration55.extensions-other.html">扩展中的其他变更</a></li><li><a href="migration55.global-constants.html">新的全局常量</a></li><li><a href="migration55.ini.html">INI 文件处理的变化</a></li><li><a href="migration55.internals.html">PHP 内部的变化</a></li></ul>

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  参见 PHP 版本迁移指南
  <a href="migration5.html" class="link">5.0.x</a> 、 <a href="migration51.html" class="link">5.1.x</a> 、 <a href="migration53.html" class="link">5.3.x</a> 以及 <a href="migration53.html" class="link">5.4.x</a>。
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